
The outflow of refugees from Ukraine has reached two million, according to the UN High Commissioner for Refugees Filippo Grandi.
Speaking to French radio station France Inter on Tuesday, Grandi called the milestone a "terrifying" number.
"There are hundreds of thousands of people on the move, trying to flee the combat zone and seek refuge firstly inside Ukraine in the safe zones. But the safe space is reducing and people are inevitably trying to cross borders," he said
Nearly all the refugees are women, children, and elderly people, according to Grandi, who said he hadn't seen such a preponderance in his entire career.
"It's a very specified population. It's significant that on International Women's Day, men make war and women pay the consequences," Grandi continued.
He said most of the refugees have traveled to Poland, Moldova, and other neighboring countries, adding most move towards "where they have connections, family."
"What we fear is a second wave of persons who have a good deal less resources and connections and who will be much more vulnerable," Grandi warned.
Romania has taken in 281,000 refugees since the start of the conflict in Ukraine, the Romanian Border Police told CNN on Tuesday, although 208,000 of those have already departed the country.
The border police did not specify where the refugees were going after leaving Romania.
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CNN's Miguel Marquez in Bucharest contributed reporting to this post.